/Engine/Source/Developer/DerivedDataCache/Public/DerivedDataCacheKey.h
namespace UE { namespace DerivedData { template<typename CharType> [TStringBuilderBase](API\Runtime\Core\Containers\TStringBuilderBase)< CharType > & UE::DerivedData::operator<< ( [TStringBuilderBase](API\Runtime\Core\Containers\TStringBuilderBase)< CharType > & Builder, const [FCacheKey](API\Developer\DerivedDataCache\FCacheKey) & Key ) } }